"Mastering the twelve traits that trap us." That's the subtitle of The Coach's Casebook by Geoff Watts and Kim Morgan, and the traits in question include impostor syndrome, fierce independence, and perfectionism. Varied as they are, they share a few characteristics: they can become problematic for some of those who have them, they have potential upsides, and the authors believe that most people will experience some sense of at least one of them.There are, I estimate, about ... erm ... ten trillion books on coaching out there but a few...